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Merge pull request #743 from XVilka/tinycc-support

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Fix compilation with TinyCC
This commit is contained in:
Max Brunsfeld 2020-10-21 07:12:19 -07:00 • committed by GitHub
commit 5caa83e020
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2 changed files with 31 additions and 2 deletions
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18
lib/src/atomic.h
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@ -3,7 +3,23 @@
#include <stdint.h>
#ifdef _WIN32
#ifdef __TINYC__
static inline size_t atomic_load(const volatile size_t *p) {
return *p;
}
static inline uint32_t atomic_inc(volatile uint32_t *p) {
*p += 1;
return *p;
}
static inline uint32_t atomic_dec(volatile uint32_t *p) {
*p-= 1;
return *p;
}
#elif defined(_WIN32)
#include <windows.h>

15
lib/src/bits.h
View file

@ -7,7 +7,20 @@ static inline uint32_t bitmask_for_index(uint16_t id) {
return (1u << (31 - id));
}
#if defined _WIN32 && !defined __GNUC__
#ifdef __TINYC__
// Algorithm taken from the Hacker's Delight book
// See also https://graphics.stanford.edu/~seander/bithacks.html
static inline uint32_t count_leading_zeros(uint32_t x) {
int count = 0;
if (x == 0) return 32;
x = x - ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
count = (((x + (x >> 4)) & 0x0f0f0f0f) * 0x01010101) >> 24;
return count;
}
#elif defined _WIN32 && !defined __GNUC__
#include <intrin.h>